S-89430A Datasheet, PDF (5/23 Pages) Seiko Instruments Inc – MINI ANALOG SERIES 0.5 μA Rail-to-Rail CMOS OPERATIONAL AMPLIFIER

MINI ANALOG SERIES 0.5 μA Rail-to-Rail CMOS OPERATIONAL AMPLIFIER
Rev.5.1_00
S-89430A/89431A
„ Electrical Characteristics
1. V_DD = 3.0 V
Table 5
DC Characteristics (V_DD = 3.0 V)
Parameter
Symbol Measurement Conditions
Current consumption^*1
Input offset voltage
Input offset current
Input bias current
Common-mode input
voltage range
I_DD
V_IO
I_IO
I_BIAS
V_CMR
V_CMR = V_OUT = 1.5 V
S-89430A : V_CMR = 1.5 V
S-89431A : V_CMR = 1.5 V
⎯
⎯
⎯
(Ta = 25°C unless otherwise specified)
Min.
Typ.
Max.
Unit
Measurement
Circuit
⎯ 0.5 0.9 μA Figure 12
−10 ±5 +10 _mV
−5 ±3 +5
Figure 8
⎯ 1 ⎯ pA
⎯
⎯ 1 ⎯ pA
⎯
0⎯3 V
Figure 9
Voltage gain
(open loop)
A_VOL
V_SS + 0.1 V ≤ V_OUT ≤ V_DD − 0.1 V,
V_CMR = 1.5 V, R_L = 1 MΩ
70
80
⎯
dB
Maximum output
swing voltage
V_OH R_L = 100 KΩ
V_OL R_L = 100 KΩ
2.95
⎯
⎯⎯
⎯ 0.05
V
Common-mode input
signal rejection ratio
CMRR
V_SS ≤ V_CMR ≤ V_DD
45 65 ⎯ dB
Figure 16
Figure 10
Figure 11
Figure 9
Power supply voltage
rejection ratio
PSRR V_DD = 0.9 to 5.5 V
70 80 ⎯ dB Figure 7
Source current
Sink current
I_SOURCE
I_SINK
V_OUT = V_DD−0.1 V
V_OUT = 0 V
V_OUT = 0.1 V
V_OUT = V_DD
400 500 ⎯
4800 6000 ⎯
μA
400 550 ⎯
4800 6000 ⎯
μA
Figure 13
Figure 14
*1 When the output is saturated on the V_DD side, a current consumption of up to 3 to 5 μA may flow.
(Refer to 4. Current consumption vs. Common-mode input voltage characteristics graphs in the
characteristics data. )
AC Characteristics (V_DD = 3.0 V)
Parameter
Symbol
Slew rate
SR
Gain-bandwidth product
Maximum load capacitance
GBP
C_L
Table 6
(Ta = 25°C unless otherwise specified)
Measurement Conditions Min. Typ. Max. Unit
R_L = 1.0 MΩ, C_L = 15 pF
(Refer to Figure 15.)
⎯
5
⎯ V/ms
C_L = 0 pF
⎯
⎯
4.8
⎯
kHz
⎯
47
⎯
pF
Seiko Instruments Inc.
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